Step-down converter questions

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Por Daemos

Paragon (1718)

Imagen del Daemos

04-05-2020, 15:18

Big chance that the core material of the transformer matches that for the 50hz as well so there will not even be a difference. There is bo circuit on de secondaries that depends on de frequencies so no wierd side effects.

Por Grauw

Ascended (9071)

Imagen del Grauw

04-05-2020, 15:33

Which MSX are you using, and what frequencies does the sticker on the back say it accepts? Japan has a split electrical system with one half of the country on 50 Hz and the other half on 60 Hz, so typically Japanese MSX computers will accept both. Secondly, the Japanese voltage is 100V, not 110V, so be aware that if you supply 110V you exceed the voltage by 10%. p.s. I myself have a UT-130E.

Por Thom

Hero (619)

Imagen del Thom

04-05-2020, 16:01

Thanks! I'm using a FS-A1WX and indeed it's accepting both frequencies. The UT-130E seems to be perfect and I've ordered one. Thanks again!

Por Alexey

Guardian (2757)

Imagen del Alexey

04-05-2020, 20:12

For this computer it's easy to change the transformer to be able to power it from 220v.

https://www.msx.org/forum/msx-talk/hardware/will-this-mod-wo...

Por Thom

Hero (619)

Imagen del Thom

21-05-2020, 14:23

It only took 2 days for the UT-130E to travel from Japan to the Netherlands. Amazing! It's working perfectly, as does the OSSC. I'm finally able to read the single sided discs which I thought were dead.

Thanks again for your help guys, appreciate it.

Por Grauw

Ascended (9071)

Imagen del Grauw

21-05-2020, 15:16

Wow, just two days! And congratulations on that set-up! A FS-A1WX, an OSSC and a UT-130E is a great combination. All high quality stuff Smile.

Por Meits

Scribe (5863)

Imagen del Meits

21-05-2020, 15:19

@Thom: I'd like to know where you ordered them. I have one (second hand) but I'd like to have a few more.

Por Thom

Hero (619)

Imagen del Thom

21-05-2020, 15:27

Meits wrote:

@Thom: I'd like to know where you ordered them. I have one (second hand) but I'd like to have a few more.

UT-130E:

OSSC:
https://videogameperfection.com/products/open-source-scan-co...

Por Thom

Hero (619)

Imagen del Thom

21-05-2020, 15:30

Grauw wrote:

Wow, just two days! And congratulations on that set-up! A FS-A1WX, an OSSC and a UT-130E is a great combination. All high quality stuff Smile.

Thanks Smile
I couldn't believe how quickly the UT-130E arrived, especially in these corona days.
It was nice to switch on a real MSX for the first time in about 25 years or sth

Por Meits

Scribe (5863)

Imagen del Meits

21-05-2020, 16:52

Thanks Thom.

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